help with qx?

On 6 Feb 2008, at 00:39, Iain Barnett wrote:
> Hello all,
>> Sorry for not mailing to kick the crap out of Perl5/6/MVC/Catalyst/
> Maypole/Jifty/Mornington Crescent/other mongers..., but I have a
> small technical question to ask and a room full of perl sceptics
> (a.k.a C# developers) waiting for a script to cure their build
> process!
>> The script has a system call (to the svn command-line client), and
> it could possibly return a lot of lines back so I don't want to
> store it in an array, but process it as it's coming through. Is
> there a way to force qx or `` into list context, or something
> equally helpful?
>> e.g
>> while( list qx($command) ) {
> do stuff...
> }
>>> Any help is much appreciated!
my @cmd = ( 'svn', 'up', '-r', $rev );
open my $ch, '-|', @cmd or die "Oops";
while ( defined ( my $line = <$ch> ) ) {
chomp $line; # or whatever
}
close $ch or die "Another oops";
The check on whether close succeeeded is important. Any error may not
be detected until then.
--
Andy Armstrong, Hexten